blockquote,body,button,caption,dd,div,dl,dt,fieldset,figure,form,h1,h2,h3,h4,h5,h6,hr,html,input,legend,li,menu,ol,p,pre,table,td,textarea,th,ul{margin:0;padding:0}body,html,img{border:0}h1,h2,h3,h4,h5,h6,small{font-size:100%}a,button{cursor:pointer}em,h1,h2,h3,h4,h5,h6,strong{font-weight:400}a,a:hover,del,ins,s,u{text-decoration:none}body,button,input,keygen,legend,select,textarea{font:12px/1.14 arial,\5b8b\4f53;color:#333;outline:0}body{background:#f6f8fa;color:#444;font-family:Helvetica,Arial,sans-serif}#box{background-color:#fff;width:100%;margin:0 auto;clear:both;}.content{margin:0 16px}#head{font-size:18px;font-weight:700;text-align:left;padding:18px 0 18px}.hr{height:1px;width:100%;background-color:#ececec;border:none;margin-bottom:11px}#cont p{font-size:15px;line-height:23px}#btn{margin-top:28px;padding-bottom:28px;width:100%;height:36px;display: flex;justify-content: space-around}#btn .btn{color: #414141;height:33px;display:flex;justify-content: center;overflow:hidden;padding-right:2%;padding-left:2%;text-align:center;font-size:14px;line-height:20px;border: 2px solid #B1B1B1;border-radius: 18px;vertical-align:center}.unclick{border:1px solid #d1d1d1;color:#d1d1d1}.click{background-color:#d1d1d1}.btn img{margin-top:9px;height:16px;width:16px}.btn span{margin-left:4px;white-space:nowrap; margin-top:8px}#xiangguan{color:#757575;font-size:14px;margin:15px auto 5px 5%;clear:both}#other a{font-size:16px;display:block;color:#444;padding-top:10px;padding-bottom:10px;border-bottom:1px solid #ececec}#other a[href=".html"]{display:none}#other a:nth-last-child(1){border-bottom:none}
#box:nth-last-child(1){
    position: absolute;
    bottom: 0;
    background: #0d87be;
    padding-bottom:0px;padding-top: 0px
}
#other {
    height: 55px;
    width: 100%;
    text-align: center;
    display: flex;
    justify-content: center;
    align-items: center;
}
#other a{
    display: inline-block;
    width: 100%;
    height: 36px;
    line-height: 36px;
    border-radius:18px;
    padding: 0!important;
    background: #2F9CF6;
    color: #ffffff;
}
#feadback_title{
    height: 36px;
}
html,body{
    height: 100%;
}
body{
    position: relative;
}

.feed{
    position: fixed;
    bottom: 0;
}